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Author Archives: gravityloss
Hydrogen vs Battery for Stationary Energy Storage
Energy storage is needed to solve the variability of renewable energy. Main contenders are hydrogen and batteries. These can be built in regions that don’t have large lakes or mountains for leveling hydropower. Which ones should we build? To get … Continue reading
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Industry Refactoring
Fossil fuels have been cheap. They have been used to produce electricity, reduce iron, make fertilizers and heat homes.This has caused large carbon dioxide and methane emissions that can not continue. Fossil fuels will be phased out. Electricity Nuclear power … Continue reading
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How SpaceX Could Accelerate Spacefaring – An Alternate Method
The starting position SpaceX currently has the Falcon 9 we know well. The first version flew in 2010. It uses kerosene fuel with gas generator Merlin engines. The engine cycle is conservative and performance is fine. Falcon 9 has reusable … Continue reading
How did they improve so massively from the F-4 Phantom II to the F-15 Eagle to the F-22 Raptor?
Histories and documentaries of aircraft tend to just plainly list aircraft performance. The next generation of aircraft is just better than the previous one, but it’s rarely explained how this is possible.This is especially curious regarding aircraft like the F-4 … Continue reading
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Analysis of Tesla Berlin Factory Drone Flythrough
Based on the fly through video published in spring 2022 Body Inner body panels arrive pre-cut to rough shape at 0:20 They are shown to be stamped to a 3d shape, and the extra is cut off at 0:23 The … Continue reading
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Why is the F-35 slow?
The VTOL variant, F-35B, has the lift fan behind the cockpit. This means weapons bays or the inlet ducts can not be on the centerline, behind the cockpit – instead they are on the sides. This applies to all the … Continue reading
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Mitigating Coronavirus Economic Effects and Finding New Business Opportunities
Currently, governments are taking drastic measures to prevent a large amount of people dying, which is a good thing. When the lockdown and isolation time extends, the economy will start doing increasingly worse. People are laid off, businesses go bankrupt. … Continue reading
A hacker’s guide to climate change
Interesting take on the basics
Posted in Climate, Models
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USA to Exit Paris Climate Accord
According to some, a letter by 22 republican senators influenced Trump. Here it is as pdf. (It didn’t seem easy to get the plain text. Got it from Inhofe’s senate page.) The content of the letter is just about the … Continue reading
Posted in Climate, Demotivation
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Against Defamation
CEI accused Michael Mann of various things, and Mann sued for defamation. Now there’s some progress on the case. “The first line of defense you as a defendant can use in a defamation case, when you’ve done a good job, … Continue reading
Posted in Climate, idiocracy
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